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Updated: Aug 8, 2026
07:11
Surgical Techniques for Catheter Placement and 5/6 Nephrectomy in Murine Models of Peritoneal Dialysis
Published on: July 19, 2018
[How to operate kidney puncture in percutaneous nephrolithotomy?]
B Makhoul1, M Yatim, J Guinard
1Service d'urologie, centre hospitalier, 2, boulevard de Verdun, 89011 Auxerre, France.
Annales D'Urologie
|May 20, 2006
Summary
Percutaneous nephrolithotomy, a minimally invasive urologic technique, relies on precise calyceal puncture. Optimal access, adapted to patient and stone factors, is crucial for successful kidney stone removal.
Area of Science:
- Urology
- Minimally Invasive Surgery
Context:
- Percutaneous calyceal puncture is foundational to percutaneous nephrolithotomy (PCNL).
- PCNL is a pioneering micro-invasive urological procedure.
- Both radiologists and urologists can perform the initial puncture, often collaboratively.
Purpose:
- To detail the critical aspects of percutaneous calyceal puncture for PCNL.
- To highlight the importance of precise needle placement for surgical success.
- To discuss various guidance techniques and access adaptations.
Summary:
- Standard guidance employs fluoroscopic C-arm, with 3-D imaging achievable via cephalad tilting.
- Ultrasound is an alternative, though challenging with non-dilated tracts.
- CT guidance and retrograde puncture are less common.
- Access strategies must be individualized for adult/pediatric patients, stone burden, and kidney position.
- A direct, stable puncture at the calyx apex is essential for efficient nephrolithotomy.
Impact:
- Ensures urologists have mandatory procedural knowledge for safe and effective PCNL.
- Facilitates easier and more efficient subsequent nephrolithotomy by optimizing initial access.
- Contributes to the advancement and standardization of minimally invasive urological stone treatment.
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